Water-replenishing fishway with adaptively-adjusted floating dock

US12398525B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-12398525-B2
Application numberUS-202218032488-A
CountryUS
Kind codeB2
Filing dateFeb 8, 2022
Priority dateFeb 22, 2021
Publication dateAug 26, 2025
Grant dateAug 26, 2025

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

A water-replenishing fishway with an adaptively-adjusted floating dock is provided. The water-replenishing fishway comprises a fishway body, wherein the bottom of the fishway body is rotationally connected with a floating dock structure, an auxiliary swimming structure is arranged inside the fishway body, and an adjusting structure used to adjust the auxiliary swimming board of the auxiliary swimming structure is arranged on said floating dock structure. The fishway body is excavated with a sliding groove fitting with the sliding block, a first spring is arranged between the sides of the sliding groove and the sliding block, and the bottom of the sliding block is articulated with a roller, which is in contact with the surface of the moving plate of the adjusting structure.

First claim

Opening claim text (preview).

What is claimed is: 1. A water-replenishing fishway with an adaptively-adjusted floating dock, comprising: a fishway body ( 1 ), wherein a bottom of said fishway body ( 1 ) is rotationally connected with a floating dock structure ( 5 ), an auxiliary swimming structure ( 2 ) is arranged inside said fishway body ( 1 ), and an adjusting structure ( 6 ) used to adjust an auxiliary swimming board ( 21 ) of said auxiliary swimming structure ( 2 ) is arranged on said floating dock structure ( 5 ), said fishway body ( 1 ) is excavated with a sliding groove ( 25 ) fitting with the sliding block ( 23 ), a first spring ( 24 ) is arranged between sides of the sliding groove ( 25 ) and the sliding block ( 23 ), and a bottom of the sliding block ( 23 ) is articulated with a roller ( 27 ), which is in contact with a surface of a moving plate ( 61 ) of said adjusting structure ( 6 ). 2. The water-replenishing fishway with the adaptively-adjusted floating dock according to claim 1 , wherein said auxiliary swimming structure ( 2 ) includes a plurality of auxiliary swimming boards ( 21 ), each of the plurality of auxiliary swimming boards is rotationally connected with one end of an interacting column ( 22 ), the other end of the interacting column ( 22 ) is rotationally connected with one end of a sliding block ( 23 ), and the other end of the sliding block ( 23 ) is slidingly connected to said fishway body ( 1 ). 3. The water-replenishing fishway with the adaptively-adjusted floating dock according to claim 2 , wherein said adjusting structure ( 6 ) includes the moving plate ( 61 ), which is slidingly connected with an inner side wall of said fishway body ( 1 ), a plurality of racks ( 62 ) is fixed on an upper side of the moving plate ( 61 ), one of the plurality of racks ( 62 ) meshes with a gear ( 63 ), which is fixedly connected with a lower side of the auxiliary swimming board ( 21 ) by means of a fixing shaft ( 26 ), a lower side of the moving plate ( 61 ) is excavated with a groove fitting with a pushing rod ( 64 ) and a pushing column ( 66 ), respectively, the pushing rod ( 64 ) and the pushing column ( 66 ) are both articulated on the inner side wall of said fishway body ( 1 ), a lower side of the pushing rod ( 64 ) props against a top of a fixing rod ( 65 ), a lower side of the pushing column ( 66 ) props against a fixing column ( 67 ), and the fixing rod ( 65 ) and the pushing column ( 66 ) both pass through a thorough hole of the fishway body ( 1 ) and are fixed on an upper end of a fixing frame ( 52 ) of said floating dock structure ( 5 ). 4. The water-replenishing fishway with the adaptively-adjusted floating dock according to claim 1 , wherein an air delivering device ( 3 ) is further arranged on said fishway body ( 1 ), the air delivering device ( 3 ) includes a housing ( 31 ), an air pump ( 35 ) is arranged within the housing an output end of the air pump is connected to one end of an air delivering pipe ( 32 ), and an other end of the air delivering pipe ( 32 ) is connected to a plurality of air inlet pipes ( 33 ), each of the plurality of air inlet pipes is provided with an unidirectional air outlet valve ( 34 ). 5. The water-replenishing fishway with the adaptively-adjusted floating dock according to claim 4 , wherein a top block ( 36 ) is fixed on one side of the unidirectional air outlet valve ( 34 ), the top block ( 36 ) props against on one side of an adjusting plate ( 37 ), and an other side of the adjusting plate ( 37 ) is connected with the auxiliary swimming board ( 21 ) by means of a second spring ( 38 ). 6. The water-replenishing fishway with the adaptively-adjusted floating dock according to claim 1 , wherein a guiding board ( 4 ) is further arranged on a downstream end of said fishway body ( 1 ), and the guiding board ( 4 ) is a triangular column structure. 7. The water-replenishing fishway with the adaptively-adjusted floating dock according to claim 1 , wherein said floating dock structure(S) includes a fixing base ( 51 ), a surface of the fixing base is provided with a mounting hole ( 53 ), a top of the fixing base ( 51 ) is fixedly connected with a bottom of a fixing frame ( 52 ), one side of the fixing frame ( 52 ) is fixedly connected with a waterproof cover ( 56 ), a motor ( 55 ) is fixed inside the waterproof cover ( 56 ), an output end of the motor ( 55 ) is fixedly connected with a shaft base ( 54 ) by means of a rotary shaft ( 57 ), an upper portion of the shaft base ( 54 ) is fixedly connected with the bottom of the fishway body ( 1 ), and the shaft base ( 54 ) is rotationally connected with a top of the fixing frame ( 52 ). 8. The water-replenishing fishway with the adaptively-adjusted floating dock according to claim 1 , wherein said adjusting structure ( 6 ) includes the moving plate ( 61 ), which is slidingly connected with an inner side wall of said fishway body ( 1 ), a plurality of racks ( 62 ) is fixed on an upper side of the moving plate ( 61 ), one of the plurality of racks ( 62 ) meshes with a gear ( 63 ), which is fixedly connected with a lower side of the auxiliary swimming board ( 21 ) by means of a fixing shaft ( 26 ), a lower side of the moving plate ( 61 ) is excavated with a groove fitting with a pushing rod ( 64 ) and a pushing column ( 66 ), respectively, the pushing rod ( 64 ) and the pushing column ( 66 ) are both articulated on the inner side wall of said fishway body ( 1 ), a lower side of the pushing rod ( 64 ) props against a top of a fixing rod ( 65 ), a lower side of the pushing column ( 66 ) props against a fixing column ( 67 ), and the fixing rod ( 65 ) and the pushing column ( 66 ) both pass through a thorough hole of the fishway body ( 1 ) and are fixed on an upper end of a fixing frame ( 52 ) of said floating dock structure ( 5 ). 9. The water-replenishing fishway with the adaptively-adjusted floating dock according to claim 8 , wherein a third spring ( 68 ) is further arranged between the moving plate ( 61 ) and said fishway body ( 1 ). 10. The water-replenishing fishway with the adaptively-adjusted floating dock according to claim 1 , wherein said adjusting structure ( 6 ) includes the moving plate ( 61 ), which is slidingly connected with an inner side wall of said fishway body ( 1 ), a plurality of racks ( 62 ) is fixed on an upper side of the moving plate ( 61 ), one of the plurality of racks ( 62 ) meshes with a gear ( 63 ), which is fixedly connected with a lower side of the auxiliary swimming board ( 21 ) by means of a fixing shaft ( 26 ), a lower side of the moving plate ( 61 ) is excavated with a groove fitting with a pushing rod ( 64 ) and a pushing column ( 66 ), respectively, the pushing rod ( 64 ) and the pushing column ( 66 ) are both articulated on the inner side wall of said fishway body ( 1 ), a lower side of the pushing rod ( 64 ) props against a top of a fixing rod ( 65 ), a lower side of the pushing column ( 66 ) props against a fixing column ( 67 ), and the fixing rod ( 65 ) and the pushing column ( 66 ) both pass through a thorough hole of the fishway body ( 1 ) and are fixed on an upper end of a fixing frame ( 52 ) of said floating dock structure ( 5 ).

Assignees

Inventors

Classifications

  • Ecological corridors or buffer zones · CPC title

  • E02B8/085Primary

    Devices allowing fish migration, e.g. fish traps (arresting or diverting fish exclusively E02B1/006) · CPC title

Patent family

Related publications grouped by family.

External sources

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US12398525B2 cover?
A water-replenishing fishway with an adaptively-adjusted floating dock is provided. The water-replenishing fishway comprises a fishway body, wherein the bottom of the fishway body is rotationally connected with a floating dock structure, an auxiliary swimming structure is arranged inside the fishway body, and an adjusting structure used to adjust the auxiliary swimming board of the auxiliary sw…
Who is the assignee on this patent?
China Three Gorges Corp, Univ China Three Gorges Ctgu
What technology area does this patent fall under?
Primary CPC classification E02B8/085. Mapped technology areas include Fixed Constructions.
When was this patent published?
Publication date Tue Aug 26 2025 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).